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- W2980521352 abstract "A solid hemangioblastoma (SH) is a benign and highly vascularized tumor. Microsurgical treatment of SH is still challenging due to excessive intraoperative bleeding.Sixty-six consecutive patients with SH were retrospectively analyzed. The volume of intraoperative blood loss (IBL) and the features detected by magnetic resonance imaging (MRI) were evaluated by a neurosurgeon and multiple neuroradiologists.Four striking MRI features-peritumoral edema, the flow-void effect, large draining veins, and a visible feeding artery-were related to excessive IBL. Regarding the weighted values of these risk factors, the flow-void effect was the factor most significantly correlated with IBL (P<0.01, R=0.418). The feeding artery also contributed substantially to excessive IBL (P<0.05, R=0.412). The next most influential factor was the presence of large draining veins (P<0.05, R=0.350), followed by peritumoral edema (P<0.05, R=0.308). The four major risk factors-the flow-void effect, feeding arteries, large draining veins, and peritumoral edema-were assigned point values of 3, 3, 2, and 1, respectively, for a maximum total score of 9 points. A higher total score indicates that a higher volume of bleeding is more likely to occur during surgery.This study reports the potential neuroimaging-based risk factors leading to abundant IBL in SH by neuroimaging assessment. The study proposes a novel scoring system to predict IBL, potentially decreasing the risk involved in the surgical treatment of SH." @default.
- W2980521352 created "2019-10-25" @default.
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- W2980521352 date "2019-11-01" @default.
- W2980521352 modified "2023-09-25" @default.
- W2980521352 title "A novel neuroimaging assessment of predictive risk factors associated with intraoperative massive hemorrhage in intracranial solid hemangioblastoma" @default.
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- W2980521352 doi "https://doi.org/10.21037/qims.2019.09.05" @default.
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